公开(公告)号：WO2016029340A1

公开(公告)日：2016-03-03

申请号：PCT/CN2014/085092

申请日：2014-08-25

Applicant: MICRON TECHNOLOGY, INC.

Inventor： CHU, Weilu

IPC: G05F1/56

CPC classification number: G05F1/59 ,  G05F1/463 ,  G05F1/563 ,  G05F1/567 ,  G05F3/245

Abstract: Apparatuses for providing a current independent of temperature are described. An example apparatus includes a current generator (110) that includes two components (115a, 115b) that are configured to respond equally and opposite to changes in temperature. The responses of the two components (115a, 115b) may allow a current provided by the current generator (110) to remain independent of temperature. One of the two components (115a, 115b) in the current generator (110) may mirror a component included in a voltage source (105) that is configured to provide a voltage to the current generator (110).

Abstract translation: 描述了提供独立于温度的电流的装置。 示例性装置包括电流发生器（110），其包括被配置为与温度变化相等并相反的两个部件（115a，115b）。 两个部件（115a，115b）的响应可允许由电流发生器（110）提供的电流保持与温度无关。 电流发生器（110）中的两个部件（115a，115b）中的一个可以将被配置为向电流发生器（110）提供电压的电压源（105）中包括的部件镜像。

公开(公告)号：WO2016172936A1

公开(公告)日：2016-11-03

申请号：PCT/CN2015/078013

申请日：2015-04-30

Applicant: MICRON TECHNOLOGY, INC.

Inventor： CHU, Weilu

IPC: G05F3/30

CPC classification number: G05F3/30 ,  G11C5/14

Abstract: Apparatuses, methods, and current generators that generate current are described. An example apparatus includes a current source configured to provide a current. The current source may be coupled to a voltage source via a transistor. The transistor may be configured to provide the voltage source to the current source based on a voltage of a gate of the transistor. The example apparatus may further include an amplifier configured to provide a voltage to the gate of the transistor based on a voltage differential between two inputs. The voltage differential between the two inputs may adjust due to process, voltage or temperature changes such that the current provided by the current source remains constant.

Abstract translation: 描述了产生电流的装置，方法和电流发生器。 示例性装置包括被配置为提供电流的电流源。 电流源可以经由晶体管耦合到电压源。 晶体管可以被配置为基于晶体管的栅极的电压将电压源提供给电流源。 该示例设备还可以包括放大器，其被配置为基于两个输入之间的电压差来向晶体管的栅极提供电压。 两个输入之间的电压差可能由于过程，电压或温度变化而调整，使得由电流源提供的电流保持不变。

公开(公告)号：WO2020041980A1

公开(公告)日：2020-03-05

申请号：PCT/CN2018/102762

申请日：2018-08-28

Applicant: MICRON TECHNOLOGY, INC.

Inventor： CHU, Weilu

IPC: G05F3/30

Abstract: A semiconductor device (10) may include a bandgap circuit (40) that outputs a reference voltage (V bgr ). The semiconductor device (10) may also include a startup circuit (50) coupled to the bandgap circuit (40). The startup circuit (50) may connect a voltage source to a node that corresponds to an output of the bandgap circuit (40) in response to the bandgap circuit (40) being initialized. The startup circuit (50) may also disconnect the voltage source from the node in response to the reference voltage being greater than a threshold.

公开(公告)号：WO2016029341A1

公开(公告)日：2016-03-03

申请号：PCT/CN2014/085093

申请日：2014-08-25

Applicant: MICRON TECHNOLOGY, INC. ,  CHU, Weilu

Inventor： CHU, Weilu

IPC: H03F3/16

CPC classification number: H03K3/356 ,  G11C7/1084 ,  G11C29/50 ,  G11C2029/5004 ,  H03F3/347

Abstract: An apparatuses and methods for buffering a voltage from a circuit without current drive ability are described. An example apparatus includes a voltage buffer that includes two identical stages. The first stage is configured to receive an input voltage and produce an intermediate voltage as an output. The second stage is configured to receive the intermediate voltage and provide an output voltage that is equal to the input voltage. The voltage buffer may be coupled to a current source. The second stage of the voltage buffer may have current drive ability.

Abstract translation: 描述了用于缓冲​​来自电路的电压而不具有当前驱动能力的装置和方法。 示例性设备包括包括两个相同级的电压缓冲器。 第一级配置为接收输入电压并产生中间电压作为输出。 第二级被配置为接收中间电压并提供等于输入电压的输出电压。 电压缓冲器可以耦合到电流源。 电压缓冲器的第二级可能具有电流驱动能力。

公开(公告)号：WO2020077558A1

公开(公告)日：2020-04-23

申请号：PCT/CN2018/110623

申请日：2018-10-17

Applicant: MICRON TECHNOLOGY, INC.

Inventor： CHU, Weilu ,  PAN, Dong ,  HUANG, Zhiqi

IPC: H03L7/00

Abstract: Methods and apparatuses are provided for temperature independent resistive-capacitive delay circuits of a semiconductor device. For example, delays associated with ZQ calibration or timing of the RAS chain may be implemented that to include circuitry that exhibits both proportional to absolute temperature (PTAT) characteristics and complementary to absolute temperature (CTAT) characteristics in order to control delay times across a range of operating temperatures. The RC delay circuits may include a first type of circuitry having impedance with PTAT characteristics that is coupled to an output node in parallel with a second type of circuitry having impedance with CTAT characteristics. The first type of circuitry may include a resistor and the second type of circuitry may include a transistor, in some embodiments.

公开(公告)号：WO2017015850A1

公开(公告)日：2017-02-02

申请号：PCT/CN2015/085267

申请日：2015-07-28

Applicant: MICRON TECHNOLOGY, INC.

Inventor： PAN, Dong ,  CHU, Weilu

IPC: G05F3/30

CPC classification number: G05F1/468 ,  G05F1/461 ,  G05F1/575 ,  G05F1/59 ,  G05F3/30

Abstract: An apparatus is described comprising a bandgap reference circuit (102) comprising: an amplifier (104) including first and second inputs and an output; and a bandgap transistor (106) coupled to the output of the amplifier (104) at a control electrode thereof, the bandgap transistor (106) being further coupled commonly to the first and second inputs of the amplifier (104) at a first electrode thereof to form a feedback path. The apparatus further comprises a resistor (114) coupled to the first electrode of the bandgap transistor (106).

Abstract translation: 描述了一种包括带隙参考电路（102）的装置，包括：放大器（104），包括第一和第二输入端和输出端; 以及在其控制电极处耦合到放大器（104）的输出的带隙晶体管（106），所述带隙晶体管（106）在其第一电极处进一步共同耦合到放大器（104）的第一和第二输入端 形成反馈路径。 该装置还包括耦合到带隙晶体管（106）的第一电极的电阻器（114）。